Type-writing machine.



G. A. GREENWOOD.

TYPE WRITING MACHINE.

APPLICATION FILED JULY 8, 1908.

912, 1 18. Patented Feb. 9, 1909.

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i-IIEATTURNEY G. A. GREENWOOD. TYPE WRITING MACHINE. APPLIUATION IILEDJULY a, 1908.

Patented Feb. 9, 1909.

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UNITED STATES PATENT OFFIOE.

GEORGE A. GREENWOOD, OF PORTLAND, MAINE, ASSIGNOR TO REMINGTONTYIEWRITER COMPANY, OF ILION, NEW YORK, A CORPORATION OF NEW YORK.

TYPE-WRITING MACHINE Specification of Letters Patent.

Patented Feb. 9, 1909.

To all whom it may concern:

Be it known that I, GEORGE A. GREEN- WOOD, citizen of the United States,and resident of Portland, in the county of Cumberland and State ofMaine, have invented certain new and useful Improvements in Type-Writing Machines, of which the following is a specification.

My invention in typewriters relates to side-edge paper guides, and moreparticularly to that type of guides or gages set forth in the LettersPatent of Louis P. Diss, No. 849,834, granted April 9th, 1907, and themain objects of my invention are to provide for a finer, quicker andmore convenient adjustment of the guide.

To these ends my invention consists in the features of construction,arrangements of parts, and combinations of devices hereinafter fullydescribed and particularly pointed out in the appended claims.

In the accompanying drawings, Figure 1 is a side elevation of a portionof a Remington No. 6 typewriting machine embodying my improvements. Fig.2 is a partial plan view thereof. Fig. 3 is an enlarged detail verticalsection of the side edge gage and its associated parts. Fig. 4 is a sideelevation of the positioning block and a cross section of the screw orthreaded shank on which the same is mounted. Fig. 5 is a cross-sectionof the block. Fig. 6 is an elevation of part of the threaded andflattened shank of the gage device and a cross-section of the nut forfeeding the same.

In the various views, the same parts will be designated by the samenumerals of reference.

While I have shown my invention embodied in a Remington typewriter, itwill of course be understood that it is adapted for any other suitableconstruction of machines.

Various parts of the typewriter herein shown being well known and alsodescribed in the aforesaid Diss patent, they need not be set forth indetail herein.

1 is the platen mounted to rotate on the platen frame 2; 8, the rearfeed roll and 4, the paper table.

Mounted upon the left-hand end bar of the platen frame is an uprightbracket, U-shaped in cross-section, and comprising a base portion 5 andvertical resilient arms 6 and 7,

the bracket being secured to the end bar by a screw or screws 8. Thearms of the bracket are perforated transversely at 9.

and in register for the accommodation of the shank or stem 10 of sideedge guide or gage device, comprising in this instance offset arms orprojections 11 and 12. The

shank or stem 10 is threaded for practically its full length and engagesa threaded perforation 13 in a nut 14, the perforation being central ofthe nut and in register with the perforations in the bracket arms. Theshank or stem 10 also passes through a coinciding, plain perforation 15in a circular positioning block 16 formed on one side with twooppositely arranged depressions 1'7 and 18 adapted to engage one at atime with a projection or detent 19 extending inwardly from the bracketarm 7 and preferably formed integral therewith. There is a fixedrelationship between the block 16 and the threaded shank 10 caused byflattening one portion or side of the shank, as at 20, and by providingthe block 16 with a radial pin 2-1 extending into the perforation 15 andbearing at its flattened end against the fiattened portion of the shank.By this means the block and the shank are always caused to turn togetherwhen the gage is turned from operative to inoperative position and viceversa. The depression 17 and the projection 19, adapted to seat therein,serve to hold the gage device in one or the other of the two positionsindicated at Figs. 1 and 2, the operative position of the gage properbeing illustrated in full lines and the inoperative position in dottedlines. When in operative position the projection 19 engages thedepression 17 and when in inoperative position it engages the depression18. The block is adapted to be turned from the one position to the otherby turning the shank through the medium of the arms 11 and 12. As theblock starts to rotate, it cams the projection 19 out of one depressionand when the block has been turned substantially a half revolution, thisprojection snaps into the other depression, the elasticity of the arm 7permitting these actions.

For the purpose of adjusting the gage lengthwise of the platen fordifferent Widths of paper or lengths of envelop, I have threaded theshank or stem 10 and provided the nut 14. The circular nut is slightlylarger in diameter than the circular block 16 and the periphery of thenut is preferably milled, as shown in Fig. 2, to facilitate itsrotation. As shown in Figs. 2 and 3 the nut is confined between theleft-hand side of the block 16 and the inner side of the arm 6 of thebracket, so that it cannot move axially, the nut and the block or collarfilling the space between the arms of the bracket. By rotating the nut,it will cause the screw or threaded shank 10 to feed longitudinallythrough the perforations in the bracket and the perforation in the blockin one direction or another, according to the direction of turning ofthe nut, and in this wise the side edge guide arm 11 or other suitabledevice connected to the shank is adjusted longitudinally of the platen.By reason of this screw and nut construction the adjustments may bequickly and conveniently made and they may be as fine or minute as maybe desired. The parts are always in position for immediate adjustment bythe simple turning of the nut. In the prior construction it was firstnecessary to unscrew the binding screw with one hand and then with theother slide the stem in the direction of its length. This involved twoobjections, first, if the binding screw had been in position for a longtime it begot a set upon the rod which was often diflicult to undo,especially by an operator not having great strength in her fingers; and,secondly, some little time was consumed in adjusting the rod to an exactor nice position, owing to the fact that it would be apt either to slipa little too far or not go far enough. Then after the adjustment of thebar it became necessary to reset the binding screw. the old constructioninvolved three operations to effect an adjustment of the gage, whereasit will be observed from my construction that it is only necessary toturn the nut, which is always ready for operation. It will be understoodof course that when the nut is turned the screw threaded shank and thegage arm 11 are moved longitudinally of the platen only, rotation beingprevented by the flattened portion of the shank and the pin or lug 21.

While I prefer to use the supporting arm 12 of the gage device, this isnot absolutely necessary in all cases. The paper is adjusted to the gagethe same as in the Diss patent.

What I claim as new and desire to secure by Letters Patent, is

1. In a typewriting machine, the combination with a platen, of a sideedge paper guide comprising a threaded shank and off-set arm 11, and arotatable nut for feeding the shank and guide longitudinally of theplaten during the rotary movement of the nut, said arm Thus beingadapted to be shifted to non-working position independent of said nut.

2. In a typewriting machine, the combination with a platen, of a sideedge paper guide comprising an arm and a threaded shank, a rotatable nutfor feeding the threaded shank and arm longitudinally of the platen,means for enabling the threaded shank and arm to be turned independentlyof said rotatable nut and means for preventing a turning of the arm andshank during the feeding operation.

3. In a typewriting machine, the combination with a side edge paperguide comprising a threaded shank and an offset portion for the paper toabut against, a rotatable nut for feeding the shank and offset portionlongitudinally of the platen, and means for enabling the threaded shankand offset portion to be turned independently of said rotatable nut.

4. In a typewriting machine, the combination with a platen, of a sideedge paper guide comprising a threaded shank having a flattened portion,a block or collar through which said shank passes, a pin or projectionon said block or collar adapted to bear upon the flattened ortion of thethreaded shank and a rotatab e nut for adjusting the threaded shanklongitudinally of the platen.

5. In a typewriting machine, the combination with a platen, of a sideedge paper guide comprising a threaded shank having a flattened portionand an offset or lateral arm, a bracket secured to the platen frame andcomprising a resilient arm having a stud, a collar or block having acentral perforation, a radial pin and side depressions, and a rotatablenut held against endwise movement.

6. In a typewriting machine, the combination with a platen, of a sideedge paper guide consisting of a threaded and flattened shank, a papergage arm, a paper supporting arm, a

bracket secured to the platen frame and comprising upright perforatedarms, one of which is provided with a projection or detent, a perforatedblock or collar adjacent said detent and having depressions on oppositesides of said perforation, a pin on said block or collar extending intosaid perforation and engaging the flattened portion of said shank, and arotatable nut arranged adjacent said block or collar and with it fillingthe space between the bracket arms.

Signed at Portland, in the county of Cum- 1 berland and State of Maine,this sixth day of July A. D. 1908.

GEORGE A. GREENWOOD.

Witnesses:

CHARLES J. NICHOLS, EDITH A. DILL.

